Sure, I can help with that. How close to 16:00 would you like to arrive?
It doesn't matter. Just tell me when it departs so I can be there on time.
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination
train-arriveby train-day train-departure train-destination